fix!: bring const scopes back

- replace grass with sasso
- drop lightningcss
- rearrange crate and workspace hierarchy & features

.gitignore

@@ -3,7 +3,6 @@ rust-toolchain.toml
 .vscode
 .profile
 .envrc
-/Cargo.lock
 /tests/sabry_intermediate
 /tests/sabry_output
 /playground

Cargo.toml

@@ -1,11 +1,6 @@
 [workspace]
 resolver = "3"
-members = [
+members = ["sabry", "sabry_procmacro", "sabry_procmacro_impl", "sabry_intrnl", "sabry_build"]
-  "sabry_procmacro",
-  "sabry_procmacro_impl",
-  "sabry_intrnl",
-  "sabry_build",
-]
 exclude = ["examples"]
 
 [workspace.package]
@@ -19,15 +14,21 @@ publish = true
 
 [workspace.dependencies]
 ## Workspace
-sabry_intrnl = { path = "sabry_intrnl", version = "0.0.7" }
+sabry.path = "sabry"
-sabry_procmacro = { path = "sabry_procmacro", version = "0.0.7" }
+sabry.version = "0.0.7"
-sabry_procmacro_impl = { path = "sabry_procmacro_impl", version = "0.0.7" }
+sabry_intrnl.path = "sabry_intrnl"
-sabry_build = { path = "sabry_build", version = "0.0.7" }
+sabry_intrnl.version = "0.0.7"
+sabry_procmacro.path = "sabry_procmacro"
+sabry_procmacro.version = "0.0.7"
+sabry_procmacro_impl.path = "sabry_procmacro_impl"
+sabry_procmacro_impl.version = "0.0.7"
+sabry_build.path = "sabry_build"
+sabry_build.version = "0.0.7"
 ## CSS
 lightningcss.version = "1.0.0-alpha.72"
 lightningcss.default-features = false
-grass.version = "^0.13"
+sasso.version = "^0.21"
-grass.default-features = false
+sasso.default-features = false
 raffia.version = "^0.13"
 ## Marshall
 serde.version = "^1"
@@ -43,38 +44,5 @@ thiserror.version = "^2"
 proc-macro2.version = "^1"
 quote.version = "^1"
 syn.version = "^3"
-
+## Testing
-[package]
+insta.version = "^1"
-name = "sabry"
-description = "Syntactically Awesome But RustY - crate that brings SCSS/SASS into rust"
-keywords = ["web", "sass", "scss", "macro"]
-repository.workspace = true
-version.workspace = true
-edition.workspace = true
-rust-version.workspace = true
-authors.workspace = true
-license.workspace = true
-publish.workspace = true
-
-[dependencies]
-## Workspace
-sabry_procmacro = { workspace = true, optional = true }
-sabry_build = { workspace = true, optional = true }
-sabry_intrnl = { workspace = true }
-
-[dev-dependencies]
-leptos = { version = "^0.8" }
-insta = { version = "^1", features = ["glob"] }
-
-[features]
-default = ["procmacro"]
-const-scoping = ["sabry_procmacro?/const-compile"]
-procmacro = ["dep:sabry_procmacro"]
-build = ["dep:sabry_build"]
-net-files = ["sabry_build/net-files"]
-internals = []
-nightly = ["sabry_procmacro?/nightly"]
-
-[package.metadata.docs.rs]
-all-features = true
-rustdoc-args = ["--cfg", "docsrs"]

sabry/Cargo.toml

@@ -0,0 +1,28 @@
+[package]
+name = "sabry"
+description = "Syntactically Awesome But RustY - crate that brings SCSS/SASS into rust"
+keywords = ["web", "sass", "scss", "macro"]
+repository.workspace = true
+version.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+authors.workspace = true
+license.workspace = true
+publish.workspace = true
+
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]
+
+[dependencies]
+## Workspace
+sabry_procmacro.workspace = true
+sabry_intrnl.workspace = true
+
+[dev-dependencies]
+leptos.version = "^0.8"
+insta.workspace = true
+insta.features = ["glob"]
+
+[features]
+nightly = ["sabry_procmacro/nightly", "sabry_intrnl/nightly"]

sabry/src/lib.rs

@@ -0,0 +1,4 @@
+#![doc = include_str!("../../README.md")]
+#![cfg_attr(docsrs, feature(doc_cfg))]
+
+pub use sabry_procmacro::*;

sabry_build/Cargo.toml

@@ -14,10 +14,9 @@ rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
 sabry_intrnl.workspace = true
-sabry_intrnl.features = ["compile", "scope"]
+sabry_intrnl.features = ["config-manifest", "style-compiler"]
+sabry_procmacro.workspace = true
 sabry_procmacro_impl.workspace = true
-sabry_procmacro_impl.features = ["const-compile"]
-
 proc-macro2.workspace = true
 proc-macro2.features = ["span-locations"]
 syn.workspace = true
@@ -26,4 +25,4 @@ thiserror.workspace = true
 walkdir.workspace = true
 
 [features]
-net-files = []
+nightly = ["sabry_procmacro/nightly", "sabry_procmacro_impl/nightly"]

sabry_build/src/buildmagic.rs

@@ -3,17 +3,17 @@ use std::{
     convert::Infallible,
     fs::{self, OpenOptions},
     io::{self, Write},
-    path::PathBuf,
-    str::FromStr,
     vec,
 };
 
 use sabry_intrnl::{
+    conf::{BehavHashCollision, BehavSassModCollision, SabryConfig, manifest::ManifestError},
+    style::{
         compiler::{CompilerAdapter, SabryCompilerError},
-    config::{manifest::ManifestError, BehavHashCollision, BehavSassModCollision, SabryConfig},
+        scope::{ArbitraryScope, ScopeError, ScopeHash},
-    scoper::{hash::ScopeHash, ArbitraryScope, ScopeError},
+    },
 };
-use sabry_procmacro_impl::impls::{styly, ArbitraryStyleSyntax};
+use sabry_procmacro_impl::impls::{ArbitraryStyleSyntax, styly};
 use walkdir::WalkDir;
 
 use crate::filevisit::{self, FileVisitError};
@@ -71,7 +71,6 @@ pub struct SabryBuilder {
     state: SabryBuildState,
 }
 
-//🧙
 impl SabryBuilder {
     /// Construct new [SabryBuilder] from the config
     ///
@@ -124,42 +123,40 @@ impl SabryBuilder {
     pub fn generate_output(&mut self) -> BuilderResult {
         // warn on empty loaded_css_modules
         if self.state.loaded_css_modules.is_empty() {
-            println!("🧙 sabry didn't compile any CSS. Perhaps the crate has no styles? Lets write some!\nAlso you should check that you do use `styly!` macro properly - at the top level as an item.");
+            println!(
+                "🧙 sabry didn't compile any CSS. Perhaps the crate has no styles? Lets write some!\nAlso you should check that you do use `styly!` macro properly - at the top level as an item."
+            );
         }
 
         if let Some(scope_dir) = &self.config.css.scopes {
-            println!("🧙 writing CSS files for each of loaded scopes into {scope_dir}");
+            println!("🧙 writing CSS files for each of loaded scopes into {scope_dir:?}");
 
             fs::create_dir_all(scope_dir)?;
             for (scope, code) in &self.state.loaded_css_modules {
-                let scope_path = format!("{}/{}.css", scope_dir, scope);
+                let scope_path = scope_dir.join(scope).with_extension("css");
                 fs::write(scope_path, code)?;
             }
         }
 
         if let Some(bundle_file) = &self.config.css.bundle {
-            println!("🧙 writing merged CSS for the entire crate into {bundle_file}");
+            println!("🧙 writing merged CSS for the entire crate into {bundle_file:?}");
-
+            if let Some(dir) = bundle_file.parent() {
-            let path = PathBuf::from_str(bundle_file)?;
-
-            if let Some(dir) = path.parent() {
                 fs::create_dir_all(dir)?;
             }
 
             // remove the file to write new fresh tasty CSS
-            let _ = fs::remove_file(&path);
+            let _ = fs::remove_file(bundle_file);
             // and then reopen it
             let mut file = OpenOptions::new()
                 .create_new(true)
                 .append(true)
-                .open(path)?;
+                .open(bundle_file)?;
 
             // merged bundle CSS does require another lightningcss pass
             let mut buffer = String::new();
             for (_, code) in &self.state.loaded_css_modules {
                 buffer.push_str(code);
             }
-            buffer = self.css_compiler.lightningcss(&buffer)?;
 
             write!(file, "{buffer}")?;
         }
@@ -258,13 +255,12 @@ impl SabryBuilder {
         let mut modules: Vec<StyleModule> = vec![];
         if let Some(sass_mods) = &self.config.sass.modules {
             for pre in sass_mods {
-                let pre_path = PathBuf::from_str(pre)?;
+                let pre_name = pre
-                let pre_name = pre_path
                     .file_name()
                     .ok_or(SabryBuildError::FileName())?
                     .to_string_lossy()
                     .to_string();
-                let code = fs::read_to_string(pre_path)?;
+                let code = fs::read_to_string(pre)?;
                 modules.push((pre_name, code));
             }
         }
@@ -276,9 +272,7 @@ impl SabryBuilder {
         if let Some(sass_pres) = &self.config.sass.prelude {
             let mut sass_preludes: Vec<SassPreludeModule> = vec![];
             for pre in sass_pres {
-                let pre_path = PathBuf::from_str(pre)?;
+                let syntax = pre
-
-                let syntax = pre_path
                     .extension()
                     .unwrap_or_default()
                     .to_str()
@@ -287,24 +281,22 @@ impl SabryBuilder {
                     Ok(s) => s,
                     Err(_) => {
                         return Err(SabryBuildError::Another(format!(
-                            "Unknown syntax for sass prelude {pre}"
+                            "Unknown syntax for sass prelude {pre:?}"
-                        )))
+                        )));
                     }
                 };
 
-                let code = fs::read_to_string(pre_path)?;
+                let code = fs::read_to_string(pre)?;
                 sass_preludes.push(SassPreludeModule { syntax, code });
             }
             self.state.sass_prelude.extend(sass_preludes);
         }
 
         // load css preludes
-        if let Some(css_pre) = &self.config.css.prelude {
+        for pre in &self.config.css.prelude {
-            for pre in css_pre {
             let code = fs::read_to_string(pre)?;
             self.state.css_prelude.push_str(&code);
         }
-        }
 
         Ok(())
     }
@@ -319,9 +311,9 @@ impl SabryBuilder {
     /// This function will not overwrite the module file. Never.
     ///
     pub fn load_side_module(&mut self, name: ModuleName, code: ModuleCode) -> BuilderResult {
-        println!("🧙 loading side module '{}'", &name);
+        println!("🧙 loading side module '{}'", name);
 
-        let module_file_path = format!("{}/{}", &self.config.sass.intermediate_dir, &name);
+        let module_file_path = self.config.sass.intermediate_dir.join(&name);
         let mut open_options = OpenOptions::new();
         let mut open_options = open_options.write(true);
 
@@ -333,10 +325,12 @@ impl SabryBuilder {
         open_options = if self.state.known_side_modules.contains(&name) {
             match &self.config.sass.module_name_collision {
                 BehavSassModCollision::Error => {
-                    return Err(SabryBuildError::ModuleCollision { module: name })
+                    return Err(SabryBuildError::ModuleCollision { module: name });
                 }
                 BehavSassModCollision::Merge => {
-                    println!("🧙 sabry found duplicate module name '{name}': merging code, as configured");
+                    println!(
+                        "🧙 sabry found duplicate module name '{name}': merging code, as configured"
+                    );
                     open_options.append(true)
                 }
             }
@@ -399,7 +393,9 @@ pub enum SabryBuildError {
     FileVisit(#[from] FileVisitError),
     #[error("Syntax of style can not be parsed")]
     SyntaxError(#[from] ScopeError),
-    #[error("Another scope has the same hash, and sabry is configured to raise an error. Try to adjust config, increase hash size, or change the style code")]
+    #[error(
+        "Another scope has the same hash, and sabry is configured to raise an error. Try to adjust config, increase hash size, or change the style code"
+    )]
     HashCollision { scope: ModuleName },
     #[error("Something's wrong with file path")]
     Path(#[from] Infallible),

sabry_build/src/lib.rs

@@ -2,3 +2,6 @@
 
 pub mod buildmagic;
 pub mod filevisit;
+
+pub use buildmagic::buildy;
+pub use sabry_procmacro::usey;

sabry_intrnl/Cargo.toml

@@ -13,21 +13,21 @@ all-features = true
 rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
+## Css
+raffia.version = "^0.13"
+sasso.workspace = true
+sasso.optional = true
 base64.workspace = true
-base64.optional = true
+## Codegen
-grass.workspace = true
-grass.optional = true
-lightningcss.workspace = true
-lightningcss.optional = true
-raffia.workspace = true
-syn.workspace = true
-
-cfg-if.workspace = true
-serde.workspace = true
-serde.features = ["derive"]
 thiserror.workspace = true
+syn.workspace = true
+## Manifets seri
+serde.workspace = true
+serde.optional = true
+serde.features = ["derive"]
 toml.workspace = true
+toml.optional = true
 
 [features]
-compile = ["dep:grass", "dep:lightningcss"]
+config-manifest = ["dep:toml", "dep:serde"]
-scope = ["dep:base64"]
+style-compiler = ["dep:sasso"]

sabry_intrnl/src/compiler/mod.rs

@@ -1,139 +0,0 @@
-use crate::config::SabryConfig;
-
-/// Convenience wrapper on Grass and Lightningcss
-pub struct CompilerAdapter {
-    #[allow(dead_code)] // without 'compile' feature, still want to set this
-    config: SabryConfig,
-}
-
-impl CompilerAdapter {
-    pub fn new(config: SabryConfig) -> Self {
-        Self { config }
-    }
-
-    /// Compile given SASS/SCSS into CSS
-    /// with respect to self.config
-    #[cfg(feature = "compile")]
-    pub fn compile_module(
-        &self,
-        syntax: crate::syntax::ostrta::OneSyntaxToRuleThemAll,
-        code: &str,
-    ) -> Result<String, SabryCompilerError> {
-        let options = grass::Options::from(&self.config).input_syntax(syntax.into());
-
-        let css = self.lightningcss(&grass::from_string(code, &options)?)?;
-
-        Ok(css)
-    }
-
-    /// Perform lightningcss transformations on given css
-    /// with respect to self.config.css.minify on minification
-    #[cfg(feature = "compile")]
-    pub fn lightningcss(&self, css: &str) -> Result<String, SabryCompilerError> {
-        use lightningcss::{printer::PrinterOptions, stylesheet::MinifyOptions, targets::Targets};
-
-        let mut lightsheet = match lightningcss::stylesheet::StyleSheet::parse(
-            css,
-            lightningcss::stylesheet::ParserOptions::default(),
-        ) {
-            Ok(s) => s,
-            Err(e) => {
-                return Err(SabryCompilerError::LightParse {
-                    kind: e.kind.to_string(),
-                    loc: e.loc,
-                })
-            }
-        };
-
-        let targets = Targets {
-            browsers: Some(self.config.lightningcss.targets.clone().into()),
-            ..Default::default()
-        };
-
-        let printer_options = PrinterOptions {
-            minify: self.config.css.minify,
-            targets,
-            ..Default::default()
-        };
-
-        let minify_options = MinifyOptions {
-            targets,
-            ..Default::default()
-        };
-
-        if self.config.css.minify {
-            lightsheet.minify(minify_options)?
-        }
-
-        let css = match lightsheet.to_css(printer_options) {
-            Ok(c) => {
-                drop(lightsheet);
-                c.code
-            }
-            Err(e) => return Err(SabryCompilerError::LightPrint(e)),
-        };
-
-        Ok(css)
-    }
-}
-
-#[cfg(feature = "compile")]
-impl From<&SabryConfig> for grass::Options<'_> {
-    fn from(config: &SabryConfig) -> Self {
-        let mut options = grass::Options::default();
-        options = options.style(if config.css.minify {
-            grass::OutputStyle::Compressed
-        } else {
-            grass::OutputStyle::Expanded
-        });
-        options = options.load_path(&config.sass.intermediate_dir);
-
-        options
-    }
-}
-
-#[cfg(feature = "compile")]
-#[derive(thiserror::Error)]
-pub enum SabryCompilerError {
-    #[error("Could not compile into CSS with grass")]
-    GrassCompile(#[from] Box<grass::Error>),
-    #[error("Could not print compiled CSS with lightningcss")]
-    LightPrint(#[from] lightningcss::error::Error<lightningcss::error::PrinterErrorKind>),
-    #[error("Could not minify CSS with lightningcss")]
-    LightMinify(#[from] lightningcss::error::Error<lightningcss::error::MinifyErrorKind>),
-    #[error("Could not parse CSS with lightningcss")]
-    LightParse {
-        kind: String,
-        loc: Option<lightningcss::error::ErrorLocation>,
-    },
-}
-
-#[cfg(feature = "compile")]
-impl std::fmt::Debug for SabryCompilerError {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        let explain = match self {
-            Self::LightPrint(e) => format!(
-                "{} at {:?}",
-                e.kind,
-                e.loc
-                    .clone()
-                    .map(|l| format!("file {}, line {}, col {}", l.filename, l.line, l.column))
-            ),
-            Self::GrassCompile(err) => format!("{err}"),
-            Self::LightMinify(e) => format!(
-                "{} at {:?}",
-                e.kind,
-                e.loc
-                    .clone()
-                    .map(|l| format!("file {}, line {}, col {}", l.filename, l.line, l.column))
-            ),
-            Self::LightParse { kind, loc } => format!(
-                "{kind} at {:?}",
-                loc.clone()
-                    .map(|l| format!("file {}, line {}, col {}", l.filename, l.line, l.column))
-            ),
-        };
-
-        write!(f, "{explain}")
-    }
-}

sabry_intrnl/src/conf/manifest.rs

@@ -0,0 +1,44 @@
+use std::{env, fs, io};
+
+use serde::Deserialize;
+
+use super::SabryConfig;
+
+pub const MANIFEST: &str = "Cargo.toml";
+pub const MANIFEST_DIR_ENV: &str = "CARGO_MANIFEST_DIR";
+
+pub fn read_manifest() -> Result<ValuableManifest, ManifestError> {
+    let manpath = format!("{}/{MANIFEST}", env::var(MANIFEST_DIR_ENV)?);
+
+    Ok(toml::de::from_str(&fs::read_to_string(manpath)?)?)
+}
+
+#[derive(Debug, thiserror::Error)]
+pub enum ManifestError {
+    #[error("Could not read manifest path from env")]
+    ManifestDirEnv(#[from] env::VarError),
+    #[error("Could not read manifest file")]
+    ManifestRead(#[from] io::Error),
+    #[error("Could not deserialize manifest")]
+    ManifestDe(#[from] toml::de::Error),
+}
+
+/// Manifest structure that makes sense for sabry
+#[derive(Deserialize, Default)]
+pub struct ValuableManifest {
+    pub package: Option<ValuableManifestPkg>,
+}
+
+/// Manifest \[package.metadata\] structure that makes sense for sabry
+#[derive(Deserialize, Default)]
+pub struct ValuableManifestPkg {
+    pub metadata: Option<ValuableManifestPkgMeta>,
+}
+
+/// Manifest \[package.metadata.sabry\] structure that makes sense for sabry
+///
+/// Which is basically [SabryConfig]
+#[derive(Deserialize, Default)]
+pub struct ValuableManifestPkgMeta {
+    pub sabry: Option<SabryConfig>,
+}

sabry_intrnl/src/conf/mod.rs

@@ -0,0 +1,210 @@
+use std::{path::PathBuf, str::FromStr};
+
+#[cfg(feature = "config-manifest")]
+pub mod manifest;
+
+/// Sabry configuration, as it is from package.metadata.sabry
+#[derive(Default, Clone)]
+#[cfg_attr(feature = "config-manifest", derive(serde::Deserialize))]
+#[cfg_attr(feature = "config-manifest", serde(default))]
+pub struct SabryConfig {
+    pub css: SabryCssConfig,
+    pub sass: SabrySassConfig,
+    pub hash: SabryHashConfig,
+}
+
+impl SabryConfig {
+    /// Require sabry configuration for the current project from every place in the code
+    #[cfg(feature = "config-manifest")]
+    pub fn require() -> Result<Self, manifest::ManifestError> {
+        let manifest = manifest::read_manifest()?;
+        Ok(Self::from(&manifest))
+    }
+}
+
+#[cfg(feature = "config-manifest")]
+impl From<&manifest::ValuableManifest> for SabryConfig {
+    fn from(value: &manifest::ValuableManifest) -> Self {
+        value
+            .package
+            .as_ref()
+            .and_then(|p| p.metadata.as_ref())
+            .and_then(|m| m.sabry.as_ref())
+            .map_or(Self::default(), |sbr| sbr.clone())
+    }
+}
+
+/// Sabry `css` configuration table
+#[derive(Clone)]
+#[cfg_attr(feature = "config-manifest", derive(serde::Deserialize))]
+#[cfg_attr(feature = "config-manifest", serde(default))]
+pub struct SabryCssConfig {
+    pub bundle: Option<PathBuf>,
+    pub scopes: Option<PathBuf>,
+    pub prelude: Vec<PathBuf>,
+    #[cfg_attr(
+        feature = "config-manifest",
+        serde(default = "SabryCssConfig::default_minify")
+    )]
+    pub minify: bool,
+}
+
+impl SabryCssConfig {
+    fn default_minify() -> bool {
+        true
+    }
+}
+
+impl Default for SabryCssConfig {
+    fn default() -> Self {
+        Self {
+            bundle: None,
+            scopes: None,
+            prelude: vec![],
+            minify: Self::default_minify(),
+        }
+    }
+}
+
+/// Sabry `sass` configuration table
+///
+/// (SASS/SCSS related config)
+#[derive(Clone)]
+#[cfg_attr(feature = "config-manifest", derive(serde::Deserialize))]
+#[cfg_attr(feature = "config-manifest", serde(default))]
+pub struct SabrySassConfig {
+    #[cfg_attr(
+        feature = "config-manifest",
+        serde(default = "SabrySassConfig::default_scanroot")
+    )]
+    pub scanroot: PathBuf,
+    pub modules: Option<Vec<PathBuf>>,
+    pub prelude: Option<Vec<PathBuf>>,
+    #[cfg_attr(
+        feature = "config-manifest",
+        serde(default = "SabrySassConfig::default_intermediate_dir")
+    )]
+    pub intermediate_dir: PathBuf,
+    #[cfg_attr(
+        feature = "config-manifest",
+        serde(default = "SabrySassConfig::default_module_name_collision")
+    )]
+    pub module_name_collision: BehavSassModCollision,
+}
+
+impl SabrySassConfig {
+    fn default_scanroot() -> PathBuf {
+        PathBuf::from_str("src")
+            .expect("Infallible: default SabrySassConfig::scanroot into PathBuf")
+    }
+    fn default_intermediate_dir() -> PathBuf {
+        PathBuf::from_str("target/.sabry/sass")
+            .expect("Infallibe: default SabrySassConfig::intermediate_dir into PathBuf")
+    }
+    fn default_module_name_collision() -> BehavSassModCollision {
+        BehavSassModCollision::default()
+    }
+}
+
+impl Default for SabrySassConfig {
+    fn default() -> Self {
+        Self {
+            scanroot: Self::default_scanroot(),
+            modules: None,
+            prelude: None,
+            intermediate_dir: Self::default_intermediate_dir(),
+            module_name_collision: Self::default_module_name_collision(),
+        }
+    }
+}
+
+/// Sabry `hash` configuration table
+#[derive(Clone)]
+#[cfg_attr(feature = "config-manifest", derive(serde::Deserialize))]
+#[cfg_attr(feature = "config-manifest", serde(default))]
+pub struct SabryHashConfig {
+    #[cfg_attr(
+        feature = "config-manifest",
+        serde(default = "SabryHashConfig::default_size")
+    )]
+    pub size: usize,
+    #[cfg_attr(
+        feature = "config-manifest",
+        serde(default = "SabryHashConfig::default_collision")
+    )]
+    pub collision: BehavHashCollision,
+    #[cfg_attr(
+        feature = "config-manifest",
+        serde(default = "SabryHashConfig::default_use_scope_name")
+    )]
+    pub use_scope_name: bool,
+    #[cfg_attr(
+        feature = "config-manifest",
+        serde(default = "SabryHashConfig::default_use_item_names")
+    )]
+    pub use_item_names: bool,
+    #[cfg_attr(
+        feature = "config-manifest",
+        serde(default = "SabryHashConfig::default_use_code_size")
+    )]
+    pub use_code_size: bool,
+    #[cfg_attr(
+        feature = "config-manifest",
+        serde(default = "SabryHashConfig::default_use_code_text")
+    )]
+    pub use_code_text: bool,
+}
+
+impl SabryHashConfig {
+    fn default_size() -> usize {
+        6
+    }
+    fn default_collision() -> BehavHashCollision {
+        BehavHashCollision::default()
+    }
+    fn default_use_scope_name() -> bool {
+        true
+    }
+    fn default_use_item_names() -> bool {
+        false
+    }
+    fn default_use_code_size() -> bool {
+        true
+    }
+    fn default_use_code_text() -> bool {
+        false
+    }
+}
+
+impl Default for SabryHashConfig {
+    fn default() -> Self {
+        Self {
+            size: Self::default_size(),
+            collision: Self::default_collision(),
+            use_scope_name: Self::default_use_scope_name(),
+            use_code_size: Self::default_use_code_size(),
+            use_code_text: Self::default_use_code_text(),
+            use_item_names: Self::default_use_item_names(),
+        }
+    }
+}
+
+/// \[package.metadata.sabry.sass\].module_name_collision option
+#[derive(Default, Clone, Copy)]
+#[cfg_attr(feature = "config-manifest", derive(serde::Deserialize))]
+#[cfg_attr(feature = "config-manifest", serde(rename_all = "lowercase"))]
+pub enum BehavSassModCollision {
+    #[default]
+    Merge,
+    Error,
+}
+
+/// \[package.metadata.sabry.hash\].collision option
+#[derive(Default, Clone, Copy)]
+#[cfg_attr(feature = "config-manifest", derive(serde::Deserialize))]
+#[cfg_attr(feature = "config-manifest", serde(rename_all = "lowercase"))]
+pub enum BehavHashCollision {
+    #[default]
+    Ignore,
+    Error,
+}

sabry_intrnl/src/config/mod.rs

@@ -1,246 +0,0 @@
-pub mod manifest;
-use manifest::{ManifestError, ValuableManifest};
-use serde::Deserialize;
-
-/// Sabry configuration, as it is from package.metadata.sabry
-#[derive(Default, Deserialize, Clone)]
-pub struct SabryConfig {
-    #[serde(default = "SabryCssConfig::default")]
-    pub css: SabryCssConfig,
-    #[serde(default = "SabrySassConfig::default")]
-    pub sass: SabrySassConfig,
-    #[serde(default = "SabryHashConfig::default")]
-    pub hash: SabryHashConfig,
-    #[serde(default = "SabryGrassConfig::default")]
-    pub grass: SabryGrassConfig,
-    #[serde(default = "SabryLightCssConfig::default")]
-    pub lightningcss: SabryLightCssConfig,
-}
-
-impl SabryConfig {
-    /// Require sabry configuration for the current project from every place in the code
-    pub fn require() -> Result<Self, ManifestError> {
-        let manifest = manifest::read_manifest()?;
-        Ok(Self::from(&manifest))
-    }
-}
-
-impl From<&ValuableManifest> for SabryConfig {
-    fn from(value: &ValuableManifest) -> Self {
-        value
-            .package
-            .as_ref()
-            .and_then(|p| p.metadata.as_ref())
-            .and_then(|m| m.sabry.as_ref())
-            .map_or(Self::default(), |sbr| sbr.clone())
-    }
-}
-
-/// Sabry `css` configuration table
-#[derive(Deserialize, Clone)]
-pub struct SabryCssConfig {
-    pub bundle: Option<String>,
-    pub scopes: Option<String>,
-    pub prelude: Option<Vec<String>>,
-    #[serde(default = "SabryCssConfig::default_minify")]
-    pub minify: bool,
-}
-
-impl SabryCssConfig {
-    fn default_minify() -> bool {
-        true
-    }
-}
-
-impl Default for SabryCssConfig {
-    fn default() -> Self {
-        Self {
-            bundle: None,
-            scopes: None,
-            prelude: None,
-            minify: Self::default_minify(),
-        }
-    }
-}
-
-/// Sabry `sass` configuration table
-///
-/// (SASS/SCSS related config)
-#[derive(Deserialize, Clone)]
-pub struct SabrySassConfig {
-    #[serde(default = "SabrySassConfig::default_scanroot")]
-    pub scanroot: String,
-    pub modules: Option<Vec<String>>,
-    pub prelude: Option<Vec<String>>,
-    #[serde(default = "SabrySassConfig::default_intermediate_dir")]
-    pub intermediate_dir: String,
-    #[serde(default = "SabrySassConfig::default_module_name_collision")]
-    pub module_name_collision: BehavSassModCollision,
-}
-
-impl SabrySassConfig {
-    fn default_scanroot() -> String {
-        "src".into()
-    }
-    fn default_intermediate_dir() -> String {
-        "target/.sabry/sass".into()
-    }
-    fn default_module_name_collision() -> BehavSassModCollision {
-        BehavSassModCollision::default()
-    }
-}
-
-impl Default for SabrySassConfig {
-    fn default() -> Self {
-        Self {
-            scanroot: Self::default_scanroot(),
-            modules: None,
-            prelude: None,
-            intermediate_dir: Self::default_intermediate_dir(),
-            module_name_collision: Self::default_module_name_collision(),
-        }
-    }
-}
-
-/// Sabry `hash` configuration table
-#[derive(Deserialize, Clone)]
-pub struct SabryHashConfig {
-    #[serde(default = "SabryHashConfig::default_size")]
-    pub size: usize,
-    #[serde(default = "SabryHashConfig::default_collision")]
-    pub collision: BehavHashCollision,
-    #[serde(default = "SabryHashConfig::default_use_scope_name")]
-    pub use_scope_name: bool,
-    #[serde(default = "SabryHashConfig::default_use_item_names")]
-    pub use_item_names: bool,
-    #[serde(default = "SabryHashConfig::default_use_code_size")]
-    pub use_code_size: bool,
-    #[serde(default = "SabryHashConfig::default_use_code_text")]
-    pub use_code_text: bool,
-}
-
-impl SabryHashConfig {
-    fn default_size() -> usize {
-        6
-    }
-    fn default_collision() -> BehavHashCollision {
-        BehavHashCollision::default()
-    }
-    fn default_use_scope_name() -> bool {
-        true
-    }
-    fn default_use_item_names() -> bool {
-        false
-    }
-    fn default_use_code_size() -> bool {
-        true
-    }
-    fn default_use_code_text() -> bool {
-        false
-    }
-}
-
-impl Default for SabryHashConfig {
-    fn default() -> Self {
-        Self {
-            size: Self::default_size(),
-            collision: Self::default_collision(),
-            use_scope_name: Self::default_use_scope_name(),
-            use_code_size: Self::default_use_code_size(),
-            use_code_text: Self::default_use_code_text(),
-            use_item_names: Self::default_use_item_names(),
-        }
-    }
-}
-
-/// [grass] specific configuration for sabry
-#[derive(Default, Deserialize, Clone)]
-pub struct SabryGrassConfig {}
-
-/// [lightningcss] specific configuration for sabry
-#[derive(Default, Deserialize, Clone)]
-pub struct SabryLightCssConfig {
-    pub targets: SabryLightTargets,
-}
-
-/// \[package.metadata.sabry.lightningcss.targets\] configuration.
-///
-/// This is a convenience layer under [lightningcss::targets::Browsers] structure accepted
-/// by lightningcss.
-///
-/// This structure is a part of [SabryConfig], which faces developer with more convenient
-/// `safari = "13.2"` syntax.
-#[derive(Default, Deserialize, Clone)]
-pub struct SabryLightTargets {
-    pub android: Option<String>,
-    pub chrome: Option<String>,
-    pub edge: Option<String>,
-    pub firefox: Option<String>,
-    pub ie: Option<String>,
-    pub ios_saf: Option<String>,
-    pub opera: Option<String>,
-    pub safari: Option<String>,
-    pub samsung: Option<String>,
-}
-
-impl SabryLightTargets {
-    pub fn parse_ver(ver: &str) -> u32 {
-        let mut vercode: u32 = 0;
-        let vers = ver.split('.');
-        for (i, dig) in vers.into_iter().enumerate() {
-            let dignum = dig
-                .parse::<u32>()
-                .unwrap_or_else(|_| panic!("Invalid browser specifier: '{dig}'"));
-
-            let shift = 16 - 8 * i;
-            vercode |= dignum << shift;
-        }
-        vercode
-    }
-}
-
-#[cfg(feature = "compile")]
-impl From<SabryLightTargets> for lightningcss::targets::Browsers {
-    fn from(value: SabryLightTargets) -> Self {
-        Self {
-            android: value.android.map(|s| SabryLightTargets::parse_ver(&s)),
-            chrome: value.chrome.map(|s| SabryLightTargets::parse_ver(&s)),
-            edge: value.edge.map(|s| SabryLightTargets::parse_ver(&s)),
-            firefox: value.firefox.map(|s| SabryLightTargets::parse_ver(&s)),
-            ie: value.ie.map(|s| SabryLightTargets::parse_ver(&s)),
-            ios_saf: value.ios_saf.map(|s| SabryLightTargets::parse_ver(&s)),
-            opera: value.opera.map(|s| SabryLightTargets::parse_ver(&s)),
-            safari: value.safari.map(|s| SabryLightTargets::parse_ver(&s)),
-            samsung: value.samsung.map(|s| SabryLightTargets::parse_ver(&s)),
-        }
-    }
-}
-
-/// \[package.metadata.sabry.sass\].module_name_collision option
-#[derive(Default, Deserialize, Clone, Copy)]
-#[serde(rename_all = "lowercase")]
-pub enum BehavSassModCollision {
-    #[default]
-    Merge,
-    Error,
-}
-
-/// \[package.metadata.sabry.hash\].collision option
-#[derive(Default, Deserialize, Clone, Copy)]
-#[serde(rename_all = "lowercase")]
-pub enum BehavHashCollision {
-    #[default]
-    Ignore,
-    Error,
-}
-
-#[cfg(test)]
-mod test {
-    use super::{manifest, SabryConfig};
-
-    #[test]
-    fn empty_manifest_still_worth_a_read() {
-        let manifest = manifest::read_manifest().unwrap();
-        let _conf = SabryConfig::from(&manifest);
-    }
-}

sabry_intrnl/src/lib.rs

@@ -1,6 +1,2 @@
-#![doc = include_str!("../README.md")]
+pub mod conf;
-
+pub mod style;
-pub mod compiler;
-pub mod config;
-pub mod scoper;
-pub mod syntax;

sabry_intrnl/src/scoper/hash.rs

@@ -1,95 +0,0 @@
-/// Convenience wrapper for String-being-a-hash
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ScopeHash(String);
-
-impl ScopeHash {
-    #[cfg(feature = "scope")]
-    pub fn new(scope: &super::ArbitraryScope, config: &crate::config::SabryHashConfig) -> Self {
-        use base64::Engine;
-        use raffia::ast::InterpolableIdent;
-        use std::hash::Hasher;
-
-        use crate::scoper::sanitize_css_member;
-
-        let mut hasher = std::hash::DefaultHasher::new();
-
-        if config.use_scope_name {
-            hasher.write(scope.name.to_string().as_bytes());
-        }
-        if config.use_code_text {
-            hasher.write(scope.adapter().source().as_bytes());
-        }
-        if config.use_code_size {
-            hasher.write(&scope.adapter().source().len().to_ne_bytes());
-        }
-        if config.use_item_names {
-            let classes = scope.adapter().class_selectors();
-            let ids = scope.adapter().id_selectors();
-            //# types/tags dont participate
-            //# child-parent dont participate
-
-            let merged_items = classes
-                .iter()
-                .map(|s| &s.name)
-                .chain(ids.iter().map(|i| &i.name))
-                .map(|ident| match ident {
-                    InterpolableIdent::Literal(lit) => Some(lit),
-                    _ => None,
-                })
-                .filter_map(|mbl| mbl.map(|l| l.raw))
-                .collect::<String>();
-
-            hasher.write(merged_items.as_bytes());
-        }
-
-        let hash = hasher.finish().to_be_bytes();
-
-        let hash = base64::prelude::BASE64_URL_SAFE_NO_PAD.encode(hash);
-        let hash = sanitize_css_member(&hash);
-
-        Self(hash)
-    }
-
-    pub fn as_str(&self) -> &str {
-        &self.0
-    }
-
-    #[cfg(test)]
-    pub fn test_init(v: String) -> Self {
-        Self(v)
-    }
-}
-
-#[cfg(test)]
-mod test {
-    use syn::Ident;
-
-    use crate::{
-        config::SabryHashConfig, scoper::ArbitraryScope, syntax::ostrta::OneSyntaxToRuleThemAll,
-    };
-
-    use super::ScopeHash;
-
-    #[test]
-    fn hash_matches() {
-        let source = ".cls1{color:red; &-dark{color: black} #id1 {color:green;} div {color:blue;}} .cls3#id2{color: black;}";
-
-        let scope1 = ArbitraryScope::from_source(
-            OneSyntaxToRuleThemAll::Scss,
-            syn::parse_str::<Ident>("lasifudm").unwrap(),
-            source,
-        )
-        .unwrap();
-        let hash1 = ScopeHash::new(&scope1, &SabryHashConfig::default());
-
-        let scope2 = ArbitraryScope::from_source(
-            OneSyntaxToRuleThemAll::Scss,
-            syn::parse_str::<Ident>("lasifudm").unwrap(),
-            source,
-        )
-        .unwrap();
-        let hash2 = ScopeHash::new(&scope2, &SabryHashConfig::default());
-
-        assert_eq!(hash1, hash2);
-    }
-}

sabry_intrnl/src/style/compiler.rs

@@ -0,0 +1,49 @@
+use crate::{conf::SabryConfig, style::syntax::SyntaxKind};
+
+/// Convenience wrapper on Grass and Lightningcss
+pub struct CompilerAdapter {
+    #[allow(dead_code)] // without 'compile' feature, still want to set this
+    config: SabryConfig,
+}
+
+impl CompilerAdapter {
+    pub fn new(config: SabryConfig) -> Self {
+        Self { config }
+    }
+
+    /// Compile given SASS/SCSS into CSS
+    /// with respect to self.config
+    pub fn compile_module(
+        &self,
+        syntax: SyntaxKind,
+        code: &str,
+    ) -> Result<String, SabryCompilerError> {
+        let importer = sasso::FsImporter::new(self.config.sass.modules.clone().unwrap_or_default());
+        let options = sasso::Options::new()
+            .with_style(if self.config.css.minify {
+                sasso::OutputStyle::Compressed
+            } else {
+                sasso::OutputStyle::Expanded
+            })
+            .with_importer(&importer)
+            .with_syntax(syntax.into());
+
+        Ok(sasso::compile(code, &options)?)
+    }
+}
+
+#[derive(thiserror::Error)]
+pub enum SabryCompilerError {
+    #[error("Could not compile into CSS with sasso")]
+    Compile(#[from] sasso::Error),
+}
+
+impl std::fmt::Debug for SabryCompilerError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let explain = match self {
+            Self::Compile(err) => format!("{err}"),
+        };
+
+        write!(f, "{explain}")
+    }
+}

sabry_intrnl/src/style/mod.rs

@@ -0,0 +1,5 @@
+pub mod scope;
+pub mod syntax;
+
+#[cfg(feature = "style-compiler")]
+pub mod compiler;

sabry_intrnl/src/style/scope.rs

@@ -0,0 +1,588 @@
+use std::fmt::Debug;
+
+use raffia::{
+    Span, Spanned,
+    ast::{InterpolableIdent, TypeSelector},
+};
+
+use crate::{
+    conf::SabryHashConfig,
+    style::syntax::{StylesheetAdapter, SyntaxKind},
+};
+
+#[derive(thiserror::Error)]
+pub enum ScopeError {
+    #[error("Raffia reports parse error")]
+    Raffia(raffia::error::ErrorKind, String),
+}
+
+impl Debug for ScopeError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let a = match self {
+            Self::Raffia(kind, source) => format!("{kind}: at {source}"),
+        };
+
+        write!(f, "{a}")
+    }
+}
+
+/// Struct which represents arbitrary style scope with known style syntax and name identifier
+pub struct ArbitraryScope<'s> {
+    /// Ident name for the current scope
+    pub name: syn::Ident,
+    adapter: StylesheetAdapter<'s>,
+}
+
+impl<'s> ArbitraryScope<'s> {
+    /// Parse given source code with given syntax and assign given name
+    pub fn from_source(
+        syntax: SyntaxKind,
+        name: syn::Ident,
+        source: &'s str,
+    ) -> Result<Self, ScopeError> {
+        let adapter = match StylesheetAdapter::new(source, syntax) {
+            Ok(a) => a,
+            Err(e) => {
+                let source = &source[e.span.start..e.span.end];
+                return Err(ScopeError::Raffia(e.kind, source.to_string()));
+            }
+        };
+
+        Ok(Self { adapter, name })
+    }
+
+    /// Consume arbitrary scope and create a [HashedScope] in its basis
+    ///
+    /// This function calls [HashedScope::new] under the hood
+    pub fn hashed(self, config: &SabryHashConfig) -> Result<HashedScope<'s>, ScopeError> {
+        let hash = ScopeHash::new(&self, config);
+        HashedScope::new(hash, self)
+    }
+
+    /// Borrow the underlying [StylesheetAdapter]
+    pub fn adapter(&self) -> &StylesheetAdapter<'s> {
+        &self.adapter
+    }
+}
+
+/// Hashed scope which holds hashed style code,
+/// vector of hashed selectors and the calculated hash itself.
+///
+/// Construction with [HashedScope::new] consumes [ArbitraryScope] and does all the job
+pub struct HashedScope<'s> {
+    /// Original arbitrary scope
+    pub original_scope: ArbitraryScope<'s>,
+    /// Hashed style code
+    pub hashed_code: String,
+    /// Collection of hashed selectors
+    pub hashed_selectors: Vec<HashedSelector>,
+
+    /// Given hash to the scope
+    pub hash: ScopeHash,
+}
+
+impl<'s> HashedScope<'s> {
+    /// Consume [ArbitraryScope],
+    /// calculate the hash,
+    /// hash all the supported selectors
+    /// and construct hashed source code
+    ///
+    /// Heavy operation.
+    pub fn new(hash: ScopeHash, scope: ArbitraryScope<'s>) -> Result<Self, ScopeError> {
+        let origin_code = scope.adapter().source();
+        let mut hashed_code = String::with_capacity(scope.adapter().source().len());
+
+        // get classes
+        let classes = scope.adapter().class_selectors();
+        let classes = classes.iter().map(|c| HashedSelector::from_class(&hash, c));
+
+        // get ids
+        let ids = scope.adapter().id_selectors();
+        let ids = ids.iter().map(|c| HashedSelector::from_id(&hash, c));
+
+        // get tags
+        let tags = scope.adapter().type_selectors();
+        let tags = tags
+            .iter()
+            .filter_map(|t| match t {
+                TypeSelector::TagName(tag) => Some(tag),
+                _ => None,
+            })
+            .map(|c| HashedSelector::from_tag(&hash, c));
+
+        // get global selectors
+        let globs = scope.adapter().glob_modified_selectors();
+        let globs = globs
+            .iter()
+            .filter_map(|g| {
+                // we do ignore the latter selectors from :global(a, b) because there's no clear decision:
+                // how should we treat :glob(a, b) c {}
+                // as `a c {}` `b c {}`
+                // or as `a, b c {}` ?
+                g.arg.clone().and_then(|a| {
+                    if let raffia::ast::PseudoClassSelectorArgKind::SelectorList(list) = a.kind {
+                        list.selectors
+                            .first()
+                            .cloned()
+                            .map(|fcl| (g.span.clone(), fcl.span.clone()))
+                    } else {
+                        None
+                    }
+                })
+            })
+            .map(|c| HashedSelector::from_glob_mod(&hash, c, scope.adapter().source()));
+
+        let mut hashed_selectors = classes
+            .chain(ids)
+            .chain(tags)
+            .chain(globs)
+            .collect::<Vec<_>>();
+
+        // sorting by span start is important because of how hashed code construction works
+        hashed_selectors.sort_by(|a, b| {
+            let astart = a.sel.as_arbitrary().span.start;
+            let bstart = b.sel.as_arbitrary().span.start;
+
+            astart.cmp(&bstart)
+        });
+
+        let mut last_term_span: usize = 0;
+        for sel in &hashed_selectors {
+            let span = sel.sel.as_arbitrary().span.clone();
+            hashed_code.push_str(&origin_code[last_term_span..span.start]);
+            hashed_code.push_str(&sel.css_ident);
+            last_term_span = span.end;
+        }
+        hashed_code.push_str(&origin_code[last_term_span..]);
+
+        Ok(Self {
+            original_scope: scope,
+            hashed_code,
+            hashed_selectors,
+            hash,
+        })
+    }
+}
+
+/// Struct which represents hashed selector inside of [HashedScope].
+///
+/// Does not hold information about hash itself, as meant to be inside of scope.
+#[derive(PartialEq, Eq, Hash)]
+pub struct HashedSelector {
+    /// Basic unrelated to hash info about this selector
+    pub sel: ScopedSelector,
+    /// CSS-ish identifier for this selector, which matches what's in the hashed style code
+    pub css_ident: String,
+    /// HTML-ish identifier for this selector, which will match [Self::css_ident] in browser
+    pub html_ident: Option<String>,
+}
+
+impl HashedSelector {
+    pub fn from_glob_mod(hash: &ScopeHash, sel: (Span, Span), source: &str) -> Self {
+        let sel = ScopedSelector::from_glob_mod(sel, source);
+        let css_ident = Self::make_hashed_css(&sel, hash);
+        let html_ident = Self::make_hashed_html(&sel, hash);
+
+        Self {
+            sel,
+            css_ident,
+            html_ident,
+        }
+    }
+
+    /// Construct the [HashedSelector], with given hash and parsed class selector
+    pub fn from_class(hash: &ScopeHash, sel: &raffia::ast::ClassSelector) -> Self {
+        let sel = ScopedSelector::from_class(sel);
+        let css_ident = Self::make_hashed_css(&sel, hash);
+        let html_ident = Self::make_hashed_html(&sel, hash);
+
+        Self {
+            sel,
+            css_ident,
+            html_ident,
+        }
+    }
+
+    /// Construct the [HashedSelector], with given hash and parsed id selector
+    pub fn from_id(hash: &ScopeHash, sel: &raffia::ast::IdSelector) -> Self {
+        let sel = ScopedSelector::from_id(sel);
+        let css_ident = Self::make_hashed_css(&sel, hash);
+        let html_ident = Self::make_hashed_html(&sel, hash);
+
+        Self {
+            sel,
+            css_ident,
+            html_ident,
+        }
+    }
+
+    /// Construct the [HashedSelector], with given hash and parsed tagname selector
+    pub fn from_tag(hash: &ScopeHash, sel: &raffia::ast::TagNameSelector) -> Self {
+        let sel = ScopedSelector::from_tag(sel);
+        let css_ident = Self::make_hashed_css(&sel, hash);
+        let html_ident = Self::make_hashed_html(&sel, hash);
+
+        Self {
+            sel,
+            css_ident,
+            html_ident,
+        }
+    }
+
+    /// Transform this selector into hashed version for CSS-ish language
+    ///
+    /// Cooperates with the [HashedSelector::make_hashed_html], so
+    /// whats this function returns will be usable in HTML with to_hashed_html_def()
+    pub fn make_hashed_css(value: &ScopedSelector, hash: &ScopeHash) -> String {
+        match value {
+            ScopedSelector::Class(a) => {
+                // Class scoping is done by composition
+                format!("{}.{}", hash.as_str(), a.ident)
+            }
+            ScopedSelector::Tag(a) => {
+                // Tag scoping is done by composition
+                format!("{}.{}", a.ident, hash.as_str())
+            }
+            ScopedSelector::Id(a) => {
+                // ID scoping is done by class composition
+                format!("{}.{}", a.ident, hash.as_str())
+            }
+            ScopedSelector::Glob { raw, .. } => raw.clone(),
+        }
+    }
+
+    /// Transform this selector into hashed version valid for HTML-ish insertion
+    ///
+    /// Cooperates with the [HashedSelector::make_hashed_css], so
+    /// whats this function returns will be usable in CSS with to_hashed_code()
+    ///
+    /// Since 0.0.6 all scoping is done via classes, so this function
+    /// persists for bw-compat for everything except for class.
+    ///
+    /// Global and Tag selectors are never transformed;
+    pub fn make_hashed_html(value: &ScopedSelector, hash: &ScopeHash) -> Option<String> {
+        match value {
+            // Class scoping is done with class composition
+            ScopedSelector::Class(a) => Some(format!("{} {}", a.ident, hash.as_str())),
+            ScopedSelector::Id(id) => Some(id.ident.clone()),
+            ScopedSelector::Tag(_) => None,
+            ScopedSelector::Glob { .. } => None,
+        }
+    }
+}
+
+/// Just any unary CSS-ish selector
+#[derive(PartialEq, Eq, Hash)]
+pub struct ArbitrarySelector {
+    /// CSS-ish identifier
+    pub ident: String,
+    /// Span in original CSS code where it comes from
+    pub span: Span,
+}
+
+/// Any unary CSS-ish selector, that's able to be scoped, and then hashed
+#[derive(PartialEq, Eq, Hash)]
+pub enum ScopedSelector {
+    Class(ArbitrarySelector),
+    Id(ArbitrarySelector),
+    Tag(ArbitrarySelector),
+    Glob {
+        origin: ArbitrarySelector,
+        inner_span: Span,
+        raw: String,
+    },
+}
+
+impl ScopedSelector {
+    /// Borrow the underlying [ArbitrarySelector]
+    pub fn as_arbitrary(&self) -> &ArbitrarySelector {
+        match self {
+            Self::Class(a) => a,
+            Self::Id(a) => a,
+            Self::Tag(a) => a,
+            Self::Glob { origin, .. } => origin,
+        }
+    }
+
+    /// Generate rusty member ident based on selector type and CSS ident
+    pub fn gen_rusty_ident(&self) -> Option<syn::Ident> {
+        let arb = &self.as_arbitrary().ident;
+        let basic = sanitize_css_member(arb);
+
+        let ready = match self {
+            Self::Class(_) => Some(basic),
+            Self::Id(_) => Some(format!("the{basic}")),
+            Self::Tag(_) => Some(format!("any{basic}")),
+            Self::Glob { .. } => None,
+        };
+
+        ready.map(|rs| {
+            syn::parse_str::<syn::Ident>(&rs).expect("BUG: formed ident is not Rust Ident")
+        })
+    }
+
+    /// Construct this from glob complex selector
+    pub fn from_glob_mod(s: (Span, Span), source: &str) -> Self {
+        let inner_span = s.1;
+        let origin_ident = source[s.0.start..s.0.end].to_owned();
+
+        Self::Glob {
+            origin: ArbitrarySelector {
+                span: s.0,
+                ident: origin_ident,
+            },
+            raw: source[inner_span.start..inner_span.end].to_owned(),
+            inner_span,
+        }
+    }
+
+    /// Construct this from class selector
+    pub fn from_class(s: &raffia::ast::ClassSelector) -> Self {
+        let InterpolableIdent::Literal(lit) = &s.name else {
+            panic!("BUG: class selector was not a literal")
+        };
+        Self::Class(ArbitrarySelector {
+            ident: lit.raw.to_string(),
+            span: lit.span().clone(),
+        })
+    }
+
+    /// Construct this from id selector
+    pub fn from_id(s: &raffia::ast::IdSelector) -> Self {
+        let InterpolableIdent::Literal(lit) = &s.name else {
+            panic!("BUG: id selector was not a literal")
+        };
+        Self::Id(ArbitrarySelector {
+            ident: lit.raw.to_string(),
+            span: lit.span().clone(),
+        })
+    }
+
+    /// Construct this from tagname selector
+    pub fn from_tag(s: &raffia::ast::TagNameSelector) -> Self {
+        let InterpolableIdent::Literal(lit) = &s.name.name else {
+            panic!("BUG: tag selector was not a literal")
+        };
+        Self::Tag(ArbitrarySelector {
+            ident: lit.raw.to_string(),
+            span: lit.span().clone(),
+        })
+    }
+}
+
+pub fn sanitize_css_member(source: &str) -> String {
+    let mut target = String::with_capacity(source.len() + 1);
+
+    for part in source.split('-').filter(|p| !p.is_empty()) {
+        let mut chars = part.chars().filter(|c| c.is_ascii() && c.is_alphanumeric());
+        match (chars.next(), chars.next()) {
+            (None, None) => continue,
+            (Some(f), None) => {
+                target.push(f);
+                continue;
+            }
+            (Some(f), Some(s)) => {
+                target.push(f.to_ascii_uppercase());
+                target.push(s);
+            }
+            (None, Some(s)) => {
+                target.push(s);
+                continue;
+            }
+        }
+
+        chars.for_each(|c| target.push(c));
+    }
+
+    match target.chars().next() {
+        Some(c) if c.is_numeric() => {
+            target.insert(0, 'n');
+        }
+        Some(c) => {
+            target.replace_range(..1, &c.to_ascii_lowercase().to_string());
+        }
+        _ => {
+            /* has to produce valid rust ident */
+            target.clear();
+            target.push_str("unknown");
+        }
+    }
+
+    target
+}
+
+/// Convenience wrapper for String-being-a-hash
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct ScopeHash(String);
+
+impl ScopeHash {
+    pub fn new(scope: &ArbitraryScope, config: &SabryHashConfig) -> Self {
+        use base64::Engine;
+        use raffia::ast::InterpolableIdent;
+        use std::hash::Hasher;
+
+        let mut hasher = std::hash::DefaultHasher::new();
+
+        if config.use_scope_name {
+            hasher.write(scope.name.to_string().as_bytes());
+        }
+        if config.use_code_text {
+            hasher.write(scope.adapter().source().as_bytes());
+        }
+        if config.use_code_size {
+            hasher.write(&scope.adapter().source().len().to_ne_bytes());
+        }
+        if config.use_item_names {
+            let classes = scope.adapter().class_selectors();
+            let ids = scope.adapter().id_selectors();
+            //# types/tags dont participate
+            //# child-parent dont participate
+
+            let merged_items = classes
+                .iter()
+                .map(|s| &s.name)
+                .chain(ids.iter().map(|i| &i.name))
+                .map(|ident| match ident {
+                    InterpolableIdent::Literal(lit) => Some(lit),
+                    _ => None,
+                })
+                .filter_map(|mbl| mbl.map(|l| l.raw))
+                .collect::<String>();
+
+            hasher.write(merged_items.as_bytes());
+        }
+
+        let hash = hasher.finish().to_be_bytes();
+
+        let hash = base64::prelude::BASE64_URL_SAFE_NO_PAD.encode(hash);
+        let hash = sanitize_css_member(&hash);
+
+        Self(hash)
+    }
+
+    pub fn as_str(&self) -> &str {
+        &self.0
+    }
+
+    #[cfg(test)]
+    pub fn test_init(v: String) -> Self {
+        Self(v)
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use crate::{
+        conf::SabryHashConfig,
+        style::{scope::HashedScope, syntax::SyntaxKind},
+    };
+
+    use super::ScopeHash;
+    use std::collections::HashSet;
+
+    use syn::Ident;
+
+    use super::ArbitraryScope;
+
+    #[test]
+    fn scope_hash_codegen() {
+        let code = ".cls1{color:red; &-dark{color: black;} #id1 {color:green;} div {color:blue;}} .cls3#id2{color: black;}";
+        let hash = ScopeHash::test_init("F2kf8nMs".into());
+
+        let expect_code = ".F2kf8nMs.cls1{color:red; &-dark{color: black;} #id1.F2kf8nMs {color:green;} div.F2kf8nMs {color:blue;}} .F2kf8nMs.cls3#id2.F2kf8nMs{color: black;}";
+
+        let expect_selector_htmls = HashSet::from([
+            "cls1".to_string(),
+            "id1".to_string(),
+            "cls3".to_string(),
+            "id2".to_string(),
+            "".to_string(), // comes from `div` which has no html hashed code, still want to check presense
+        ]);
+
+        let scope =
+            ArbitraryScope::from_source(SyntaxKind::Scss, syn::parse_str("scope1").unwrap(), code)
+                .unwrap();
+        let scope = HashedScope::new(hash, scope).unwrap();
+        let scope_selector_htmls = scope
+            .hashed_selectors
+            .iter()
+            .map(|hs| hs.html_ident.clone().unwrap_or_default())
+            .collect::<HashSet<_>>();
+
+        // check that original is untouched
+        assert_eq!(code, scope.original_scope.adapter().source());
+        // check that hashed matches what we expect
+        assert_eq!(expect_code, scope.hashed_code);
+        // check that HTML selector hashed code matches what we expect
+        assert_eq!(expect_selector_htmls, scope_selector_htmls);
+    }
+
+    #[test]
+    fn rusty_idents() {
+        let code = "
+.cls-1{
+    color:red;
+    &-dark{
+        color: black;
+    }
+    #id-1 {
+        color:green;
+    }
+    .-txt-of {
+        color:blue;
+    }
+}
+.-c_ls3#4id{
+    color: black;
+}";
+        let expect_ident_names = HashSet::from([
+            "cls1".to_string(),
+            "theid1".to_string(),
+            "c_ls3".to_string(),
+            "then4id".to_string(),
+            "txtOf".to_string(),
+        ]);
+
+        let hash_cfg = SabryHashConfig::default();
+        let scope = ArbitraryScope::from_source(
+            SyntaxKind::Scss,
+            syn::parse_str::<Ident>("scope2oiej").unwrap(),
+            code,
+        )
+        .unwrap()
+        .hashed(&hash_cfg)
+        .unwrap();
+
+        let sels = scope
+            .hashed_selectors
+            .iter()
+            .map(|s| s.sel.gen_rusty_ident())
+            .flat_map(|i| i.map(|is| is.to_string()))
+            .collect::<HashSet<_>>();
+
+        assert_eq!(expect_ident_names, sels);
+    }
+
+    #[test]
+    fn hash_matches() {
+        let source = ".cls1{color:red; &-dark{color: black} #id1 {color:green;} div {color:blue;}} .cls3#id2{color: black;}";
+
+        let scope1 = ArbitraryScope::from_source(
+            SyntaxKind::Scss,
+            syn::parse_str::<Ident>("lasifudm").unwrap(),
+            source,
+        )
+        .unwrap();
+        let hash1 = ScopeHash::new(&scope1, &SabryHashConfig::default());
+
+        let scope2 = ArbitraryScope::from_source(
+            SyntaxKind::Scss,
+            syn::parse_str::<Ident>("lasifudm").unwrap(),
+            source,
+        )
+        .unwrap();
+        let hash2 = ScopeHash::new(&scope2, &SabryHashConfig::default());
+
+        assert_eq!(hash1, hash2);
+    }
+}

sabry_intrnl/src/style/syntax.rs

@@ -0,0 +1,359 @@
+use raffia::{
+    ParserBuilder,
+    ast::{
+        ClassSelector, ComplexSelectorChild, CompoundSelector, IdSelector, InterpolableIdent,
+        NestingSelector, PseudoClassSelector, SimpleSelector, Statement, Stylesheet, TypeSelector,
+    },
+};
+
+/// Convenience wrapper for [Stylesheet]
+pub struct StylesheetAdapter<'s> {
+    pub syntax: SyntaxKind,
+    source: &'s str,
+    stylesheet: Stylesheet<'s>,
+}
+
+impl<'s> StylesheetAdapter<'s> {
+    pub fn new(source: &'s str, syntax: SyntaxKind) -> Result<Self, raffia::error::Error> {
+        Ok(Self {
+            stylesheet: ParserBuilder::new(source)
+                .ignore_comments()
+                .syntax(syntax.into())
+                .build()
+                .parse()?,
+            syntax,
+            source,
+        })
+    }
+
+    pub fn source(&self) -> &str {
+        self.source
+    }
+
+    pub fn selectors(&self) -> Vec<CompoundSelector<'s>> {
+        Self::selectors_of(self.stylesheet.statements.iter().cloned()).collect()
+    }
+
+    pub fn class_selectors(&self) -> Vec<ClassSelector<'s>> {
+        self.selectors_by(|c| match c {
+            SimpleSelector::Class(sel) => Some(sel),
+            _ => None,
+        })
+    }
+
+    pub fn id_selectors(&self) -> Vec<IdSelector<'s>> {
+        self.selectors_by(|c| match c {
+            SimpleSelector::Id(sel) => Some(sel),
+            _ => None,
+        })
+    }
+
+    pub fn type_selectors(&self) -> Vec<TypeSelector<'s>> {
+        self.selectors_by(|c| match c {
+            SimpleSelector::Type(sel) => Some(sel),
+            _ => None,
+        })
+    }
+
+    pub fn nesting_selectors(&self) -> Vec<NestingSelector<'s>> {
+        self.selectors_by(|c| match c {
+            SimpleSelector::Nesting(sel) => Some(sel),
+            _ => None,
+        })
+    }
+
+    /// special selector case searching for :g(whatever), :glob(whatever), :global(whatever)
+    pub fn glob_modified_selectors(&self) -> Vec<PseudoClassSelector<'s>> {
+        self.selectors_by(|c| {
+            let cps = match c {
+                SimpleSelector::PseudoClass(sel) => sel,
+                _ => return None,
+            };
+
+            match &cps.name {
+                InterpolableIdent::Literal(lit) => match lit.raw {
+                    "g" => Some(cps),
+                    "glob" => Some(cps),
+                    "global" => Some(cps),
+                    _ => None,
+                },
+                _ => None,
+            }
+        })
+    }
+
+    /// Return collected [Vec] of owned values modulo `T`, filtered by `F`.
+    ///
+    /// This is preferred way to apply custom filtering on selectors over
+    /// `selectors().iter().filter_map()`
+    /// as it does not allocate intermediate vector
+    pub fn selectors_by<T, F>(&self, form: F) -> Vec<T>
+    where
+        F: FnMut(SimpleSelector<'s>) -> Option<T>,
+    {
+        Self::selectors_of(self.stylesheet.statements.iter().cloned())
+            .flat_map(|cs| cs.children)
+            .filter_map(form)
+            .collect()
+    }
+
+    fn selectors_of(
+        c: impl Iterator<Item = Statement<'s>>,
+    ) -> impl Iterator<Item = CompoundSelector<'s>> {
+        // Hello. Its Dan.
+        // Im not proud of this,
+        // but more effective implementation
+        // was SO unreadable and SO infected with lifetimes
+        // I suck at those things
+
+        // For everyone trying to make this MORE OPTIMAL:
+        // increment the hour-counter and post your name here:
+        // 4 - Danik
+        // 5 - Yiffy
+        // 8 - Danik
+        c.filter_map(|s| match s {
+            Statement::QualifiedRule(stmt) => Some(stmt),
+            _ => None,
+        })
+        .flat_map(|q| {
+            let thissels = q
+                .selector
+                .selectors
+                .iter()
+                .flat_map(|sel| &sel.children)
+                .filter_map(|sc| match sc {
+                    ComplexSelectorChild::CompoundSelector(sel) => Some(sel),
+                    _ => None,
+                })
+                .cloned();
+
+            let blockstmt = q.block.statements.iter().cloned();
+            Self::selectors_of(blockstmt)
+                .chain(thissels)
+                .collect::<Vec<_>>()
+        })
+    }
+}
+
+/// Convenience unification entrypoint
+/// to make friends with all the different syntax-consumers
+#[derive(Default, Debug, Clone, Copy)]
+pub enum SyntaxKind {
+    #[default]
+    Scss,
+    Sass,
+    Css,
+}
+
+impl TryFrom<&str> for SyntaxKind {
+    type Error = ();
+    fn try_from(value: &str) -> Result<Self, Self::Error> {
+        match value {
+            "sass" => Ok(Self::Sass),
+            "scss" => Ok(Self::Scss),
+            "css" => Ok(Self::Css),
+            _ => Err(()),
+        }
+    }
+}
+
+impl TryFrom<raffia::Syntax> for SyntaxKind {
+    type Error = ();
+    fn try_from(value: raffia::Syntax) -> Result<Self, Self::Error> {
+        match value {
+            raffia::Syntax::Sass => Ok(Self::Sass),
+            raffia::Syntax::Scss => Ok(Self::Scss),
+            raffia::Syntax::Css => Ok(Self::Css),
+            _ => Err(()),
+        }
+    }
+}
+
+#[cfg(feature = "style-compiler")]
+impl From<sasso::Syntax> for SyntaxKind {
+    fn from(value: sasso::Syntax) -> Self {
+        match value {
+            sasso::Syntax::Sass => Self::Sass,
+            sasso::Syntax::Scss => Self::Scss,
+            sasso::Syntax::Css => Self::Css,
+        }
+    }
+}
+
+impl From<SyntaxKind> for raffia::Syntax {
+    fn from(value: SyntaxKind) -> Self {
+        match value {
+            SyntaxKind::Sass => Self::Sass,
+            SyntaxKind::Scss => Self::Scss,
+            SyntaxKind::Css => Self::Css,
+        }
+    }
+}
+
+#[cfg(feature = "style-compiler")]
+impl From<SyntaxKind> for sasso::Syntax {
+    fn from(value: SyntaxKind) -> Self {
+        match value {
+            SyntaxKind::Scss => Self::Scss,
+            SyntaxKind::Sass => Self::Sass,
+            SyntaxKind::Css => Self::Css,
+        }
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use std::collections::HashSet;
+
+    use raffia::{
+        Spanned,
+        ast::{InterpolableIdent, TypeSelector},
+    };
+
+    use crate::style::syntax::SyntaxKind;
+
+    use super::StylesheetAdapter;
+
+    #[test]
+    fn sels() {
+        let source_scss = "
+.r1{
+  .r2.r3 {
+    color: red;
+  }
+  &-rod {
+    color: red;
+    &[value] {
+      color: red;
+    }
+  }
+}
+div#id2 {
+  & > span.seled {
+    color: red;
+    & + ul#id2[attr] {
+      color: red;
+    }
+    & + .uled[attr] {
+      color: red;
+    }
+  }
+  &::after{
+    color: red;
+  }
+}
+        ";
+        let source_sass = "
+.r1
+    .r2.r3
+        color: red
+    &-rod
+        color: red
+        &[value]
+            color: red
+div#id2
+    & > span.seled
+        color: red
+        & + ul#id2[attr]
+            color: red
+        & + .uled[attr]
+            color: red
+    &::after
+        color: red
+        ";
+        let expect_classes = HashSet::from(["r2", "r3", "r1", "uled", "seled"]);
+        let expect_ids = HashSet::from(["id2", "id2"]);
+        let expect_tags = HashSet::from(["ul", "div", "span"]);
+
+        //scss
+        let adp = StylesheetAdapter::new(source_scss, SyntaxKind::Scss).unwrap();
+
+        let classes = adp
+            .class_selectors()
+            .iter()
+            .filter_map(|c| match &c.name {
+                InterpolableIdent::Literal(lit) => Some(lit.raw),
+                _ => None,
+            })
+            .collect::<HashSet<_>>();
+
+        let ids = adp
+            .id_selectors()
+            .iter()
+            .filter_map(|i| match &i.name {
+                InterpolableIdent::Literal(lit) => Some(lit.raw),
+                _ => None,
+            })
+            .collect::<HashSet<_>>();
+
+        let tags = adp
+            .type_selectors()
+            .iter()
+            .filter_map(|t| match t {
+                TypeSelector::TagName(tag) => Some(tag),
+                _ => None,
+            })
+            .filter_map(|t| match &t.name.name {
+                InterpolableIdent::Literal(lit) => Some(lit.raw),
+                _ => None,
+            })
+            .collect::<HashSet<_>>();
+
+        assert_eq!(expect_classes, classes);
+        assert_eq!(expect_ids, ids);
+        assert_eq!(expect_tags, tags);
+
+        //sass
+        let adp = StylesheetAdapter::new(source_sass, SyntaxKind::Sass).unwrap();
+
+        let classes = adp
+            .class_selectors()
+            .iter()
+            .filter_map(|c| match &c.name {
+                InterpolableIdent::Literal(lit) => Some(lit.raw),
+                _ => None,
+            })
+            .collect::<HashSet<_>>();
+
+        let ids = adp
+            .id_selectors()
+            .iter()
+            .filter_map(|i| match &i.name {
+                InterpolableIdent::Literal(lit) => Some(lit.raw),
+                _ => None,
+            })
+            .collect::<HashSet<_>>();
+
+        let tags = adp
+            .type_selectors()
+            .iter()
+            .filter_map(|t| match t {
+                TypeSelector::TagName(tag) => Some(tag),
+                _ => None,
+            })
+            .filter_map(|t| match &t.name.name {
+                InterpolableIdent::Literal(lit) => Some(lit.raw),
+                _ => None,
+            })
+            .collect::<HashSet<_>>();
+
+        assert_eq!(expect_classes, classes);
+        assert_eq!(expect_ids, ids);
+        assert_eq!(expect_tags, tags);
+    }
+
+    #[test]
+    fn rename_class() {
+        let scss = ".cls1{color:red; .cls2{color:green;}}";
+        let newname = "cls203-jg7ihgjhftyfhjh";
+        let expect = ".cls1{color:red; .cls203-jg7ihgjhftyfhjh{color:green;}}";
+
+        let adp = StylesheetAdapter::new(scss, SyntaxKind::Scss).unwrap();
+        let classes = adp.class_selectors();
+        let target_class = classes[0].clone();
+
+        let span = target_class.name.span();
+        let renamed = format!("{}{}{}", &scss[..span.start], newname, &scss[span.end..]);
+        assert_eq!(renamed, expect);
+    }
+}

sabry_intrnl/src/syntax/ostrta.rs

@@ -1,61 +0,0 @@
-/// Convenience unification entrypoint
-/// to make friends with all the different syntax-consumers
-#[derive(Default, Debug, Clone, Copy)]
-pub enum OneSyntaxToRuleThemAll {
-    #[default]
-    Scss,
-    Sass,
-}
-
-impl TryFrom<&str> for OneSyntaxToRuleThemAll {
-    type Error = ();
-    fn try_from(value: &str) -> Result<Self, Self::Error> {
-        match value {
-            "sass" => Ok(Self::Sass),
-            "scss" => Ok(Self::Scss),
-            _ => Err(()),
-        }
-    }
-}
-
-impl TryFrom<raffia::Syntax> for OneSyntaxToRuleThemAll {
-    type Error = ();
-    fn try_from(value: raffia::Syntax) -> Result<Self, Self::Error> {
-        match value {
-            raffia::Syntax::Sass => Ok(Self::Sass),
-            raffia::Syntax::Scss => Ok(Self::Scss),
-            _ => Err(()),
-        }
-    }
-}
-
-#[cfg(feature = "compile")]
-impl TryFrom<grass::InputSyntax> for OneSyntaxToRuleThemAll {
-    type Error = ();
-    fn try_from(value: grass::InputSyntax) -> Result<Self, Self::Error> {
-        match value {
-            grass::InputSyntax::Sass => Ok(Self::Sass),
-            grass::InputSyntax::Scss => Ok(Self::Scss),
-            _ => Err(()),
-        }
-    }
-}
-
-impl From<OneSyntaxToRuleThemAll> for raffia::Syntax {
-    fn from(value: OneSyntaxToRuleThemAll) -> Self {
-        match value {
-            OneSyntaxToRuleThemAll::Sass => Self::Sass,
-            OneSyntaxToRuleThemAll::Scss => Self::Scss,
-        }
-    }
-}
-
-#[cfg(feature = "compile")]
-impl From<OneSyntaxToRuleThemAll> for grass::InputSyntax {
-    fn from(value: OneSyntaxToRuleThemAll) -> Self {
-        match value {
-            OneSyntaxToRuleThemAll::Scss => Self::Scss,
-            OneSyntaxToRuleThemAll::Sass => Self::Sass,
-        }
-    }
-}